中国科学院数学与系统科学研究院期刊网
JSSC
A NEW GENERALIZATION OF ORE'S THEOREM INVOLVING NEIGHBORHOOD UNIONS
WANG Diji;LIU Xin
A NEW GENERALIZATION OF ORE'S THEOREM INVOLVING NEIGHBORHOOD UNIONS
WANG Diji;LIU Xin
Journal of Systems Science and Complexity . 1996, (2): 182 -192 .